package com.hengpeng.msls.util;

import java.io.IOException;
import java.io.InputStream;
import java.io.Writer;
import java.util.HashMap;
import java.util.List;
import java.util.Map;


import org.dom4j.Document;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;

import javax.servlet.http.HttpServletRequest;


import com.hengpeng.msls.vo.message.resp.Article;
import com.hengpeng.msls.vo.message.resp.ResMusicMessageVo;
import com.hengpeng.msls.vo.message.resp.ResNewsMessageVo;
import com.hengpeng.msls.vo.message.resp.ResTextMessageVo;

import com.thoughtworks.xstream.XStream;
import com.thoughtworks.xstream.core.util.QuickWriter;
import com.thoughtworks.xstream.io.HierarchicalStreamWriter;
import com.thoughtworks.xstream.io.xml.PrettyPrintWriter;
import com.thoughtworks.xstream.io.xml.XppDriver;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;

/**
 * 消息工具类
 * @author ChenXiaobao
 * @date 2014-3-18 下午03:00:11
 */

public class MessageUtil {
	
	  // 福彩定投第三方用户唯一凭证  
    public static  final String appId = "wxdcd196aebbe18436";     // wxb97474f9d9dfcca1 测试
    // 福彩定投第三方用户唯一凭证密钥  
    public static  final  String appSecret = "b2186a19989e8160562ffd9ad605a63b";    //  9c6b7576901918dbeb7ab28c8de898b2  测试
    
    // 深圳福彩第三方用户唯一凭证  
    public static  final String szfcAppId = "wxb5ff39a4ebe5c001";  
    // 深圳福彩第三方用户唯一凭证密钥  
    public static  final  String szfcAppSecret = "71c4d528cf2422bdcf65bc47599c7e13";  
    
    // 体彩定投第三方用户唯一凭证  
    public static  final String tcdtAppId = "wxb454f7481ff168b0";  
    // 体彩定投第三方用户唯一凭证密钥  
    public static  final  String tcdtAppSecret = "9dbe0ad3abdf759595111926812237b1";  


	 /** 
     * 返回消息类型：文本 
     */  
    public static final String RESP_MESSAGE_TYPE_TEXT = "text";  
  
    /** 
     * 返回消息类型：音乐 
     */  
    public static final String RESP_MESSAGE_TYPE_MUSIC = "music";  
  
    /** 
     * 返回消息类型：图文 
     */  
    public static final String RESP_MESSAGE_TYPE_NEWS = "news";  
  
    /** 
     * 请求消息类型：文本 
     */  
    public static final String REQ_MESSAGE_TYPE_TEXT = "text";  
  
    /** 
     * 请求消息类型：图片 
     */  
    public static final String REQ_MESSAGE_TYPE_IMAGE = "image";  
  
    /** 
     * 请求消息类型：链接 
     */  
    public static final String REQ_MESSAGE_TYPE_LINK = "link";  
  
    /** 
     * 请求消息类型：地理位置 
     */  
    public static final String REQ_MESSAGE_TYPE_LOCATION = "location";  
  
    /** 
     * 请求消息类型：音频 
     */  
    public static final String REQ_MESSAGE_TYPE_VOICE = "voice";  
  
    /** 
     * 请求消息类型：推送 
     */  
    public static final String REQ_MESSAGE_TYPE_EVENT = "event";  
  
    /** 
     * 事件类型：subscribe(订阅) 
     */  
    public static final String EVENT_TYPE_SUBSCRIBE = "subscribe";  
  
    /** 
     * 事件类型：unsubscribe(取消订阅) 
     */  
    public static final String EVENT_TYPE_UNSUBSCRIBE = "unsubscribe";  
  
    public static final String EVENT_TYPE_SCAN ="SCAN";
    
    public static final String EVENT_TYPE_LOCATION ="LOCATION";
    /** 
     * 事件类型：CLICK(自定义菜单点击事件) 
     */  
    public static final String EVENT_TYPE_CLICK = "CLICK";  
  
    /** 
     * 解析微信发来的请求（XML） 
     *  
     * @param request 
     * @return 
     * @throws Exception 
     */  
    @SuppressWarnings("unchecked")  
    public static Map<String, String> parseXml(HttpServletRequest request) throws Exception {  
        // 将解析结果存储在HashMap中  
        Map<String, String> map = new HashMap<String, String>();  
  
        // 从request中取得输入流  
        InputStream inputStream = request.getInputStream();  
        // 读取输入流  
        SAXReader reader = new SAXReader();  
        Document document = reader.read(inputStream);  
        // 得到xml根元素  
        Element root = document.getRootElement();  
        // 得到根元素的所有子节点  
        List<Element> elementList = root.elements();  
  
        // 遍历所有子节点  
        for (Element e : elementList)  
            map.put(e.getName(), e.getText());  
  
        // 释放资源  
        inputStream.close();  
        inputStream = null;  
  
        return map;  
    }  
  
    /** 
     * 文本消息对象转换成xml 
     *  
     * @param textMessage 文本消息对象 
     * @return xml 
     */  
    public static String textMessageToXml(ResTextMessageVo textMessage) {  
        xstream.alias("xml", textMessage.getClass());  
        return xstream.toXML(textMessage);  
    }  
  
    /** 
     * 音乐消息对象转换成xml 
     *  
     * @param musicMessage 音乐消息对象 
     * @return xml 
     */  
    public static String musicMessageToXml(ResMusicMessageVo musicMessage) {  
        xstream.alias("xml", musicMessage.getClass());  
        return xstream.toXML(musicMessage);  
    }  
  
    /** 
     * 图文消息对象转换成xml 
     *  
     * @param newsMessage 图文消息对象 
     * @return xml 
     */  
    public static String newsMessageToXml(ResNewsMessageVo newsMessage) {  
        xstream.alias("xml", newsMessage.getClass());  
        xstream.alias("item", new Article().getClass());  
        return xstream.toXML(newsMessage);  
    }  
  
    public static String getbasePath(HttpServletRequest request){
        String path = request.getContextPath();
        String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
    	return basePath;
        }
    /** 
     * 扩展xstream，使其支持CDATA块 
     *  
     * @date 2013-05-19 
     */  
    private static XStream xstream = new XStream(new XppDriver() {  
        public HierarchicalStreamWriter createWriter(Writer out) {  
            return new PrettyPrintWriter(out) {  
                // 对所有xml节点的转换都增加CDATA标记  
                boolean cdata = true;  
                @SuppressWarnings("rawtypes")
				public void startNode(String name,  Class clazz) {  
                    super.startNode(name, clazz);  
                }  
  
                protected void writeText(QuickWriter writer, String text) {  
                    if (cdata) {  
                        writer.write("<![CDATA[");  
                        writer.write(text);  
                        writer.write("]]>");  
                    } else {  
                        writer.write(text);  
                    }  
                }  
            };  
        }  
    });  
    
   

	/**
	 * Description: 获取指定URL的内容
	 * @Version1.0 2012-6-1 下午02:18:22 by Albert（albertwxh@gmail.com）创建
	 * @param tempurl url地址
	 * @param code url页面编码
	 * @return
	 * @throws IOException
	 */
	public static String getHTML(String tempurl, String code) throws IOException
	{
		URL url = null;
		BufferedReader breader = null;
		InputStream is = null;
		StringBuffer resultBuffer = new StringBuffer();
		try
		{
			url = new URL(tempurl);
			HttpURLConnection conn = (HttpURLConnection) url.openConnection();
			is = conn.getInputStream();
			breader = new BufferedReader(new InputStreamReader(is, code));
			String line = "";
			while ((line = breader.readLine()) != null)
			{
				resultBuffer.append(line);
			}
		}
		catch (MalformedURLException e)
		{
			e.printStackTrace();
		}
		finally
		{
			breader.close();
			is.close();
		}
		return resultBuffer.toString();
	}
}
